<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>{% block title %}{% endblock %}</title>  <!--这里写title-->
	{% block css %}{% endblock %}   <!--这里引用css文件-->
</head>
<body>
	{% block concent %}{% endblock %}
	{% block js %}{% endblock %}   <!--这里引用js文件-->
</body>
</html>